hf- datasets 主要是提供 huggingface 热门数据集镜像，方便国内开发者快速获取
Mirror of https://huggingface.co/datasets/Salesforce/grounding_dataset
Mirror of https://huggingface.co/datasets/werty1248/finepdfs-korean
Mirror of https://huggingface.co/datasets/MusubiAI/FinePDFs-zh
Mirror of https://huggingface.co/datasets/codelion/finepdfs-100M
Mirror of https://huggingface.co/datasets/jed351/finepdfs-traditional-chinese
